Abstract
Since masonry structures are prone to collapse in earthquakes, a novel joint reinforcement method with a polypropylene band (PP-band) and cement mortar (CM) has been put forward. Compared with the common reinforcement methods, this method not only facilitates construction but also ensures lower reinforcement cost. To systematically explore the influence of joint reinforcement on the seismic performance of masonry walls, quasi-static tests were carried out on six specimens with different reinforcement forms. The test results show that the joint action of PP-band and CM can significantly improve the specimen’s brittle failure characteristics and enhance the integrity of the specimen after cracking. Compared with the specimen without reinforcement, each of the seismic performance indexes of the joint reinforced specimen had obvious improvement. The maximum increased rate about peak load and ductility of the joint reinforced specimen is 100.6% and 233.4%, respectively.
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Acknowledgment
The authors gratefully acknowledge the financial support from the National Natural Science Foundation of China (Nos. 51968047 and 51608249), and the Key Research and Development Program of Jiangxi Province (No. 20161BBG70058).
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Supported by: National Natural Science Foundation of China under Grant Nos. 51968047 and 51608249, the Key Research and Development Program of Jiangxi Province under Grant No. 20161BBG70058
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Zhao, W., Zhou, Q., Min, Q. et al. Experimental study on the seismic performance of masonry wall reinforced by cement mortar and polypropylene band. Earthq. Eng. Eng. Vib. 22, 469–479 (2023). https://doi.org/10.1007/s11803-023-2178-8
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DOI: https://doi.org/10.1007/s11803-023-2178-8